From 9ff2dfbc96bb50c73d6b7974e0cb5ab02f1eb613 Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Fri, 10 Jul 2026 23:26:42 +0700
Subject: [PATCH 1/2] python3Packages.dateutils: migrate to pyproject

---
 pkgs/development/python-modules/dateutils/default.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/dateutils/default.nix b/pkgs/development/python-modules/dateutils/default.nix
index 323a4e05ec32..0e19d5c46103 100644
--- a/pkgs/development/python-modules/dateutils/default.nix
+++ b/pkgs/development/python-modules/dateutils/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
   python-dateutil,
   pytz,
 }:
@@ -9,14 +10,16 @@
 buildPythonPackage rec {
   pname = "dateutils";
   version = "0.6.12";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-A92QvLIVQb1OtLATY35PG1+USIHEbMbktnpgWeNw4/E=";
   };
 
-  propagatedBuildInputs = [
+  build-system = [ setuptools ];
+
+  dependencies = [
     python-dateutil
     pytz
   ];

From 467e6ca1dffec6529c18447844dd356063fd2ac6 Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Fri, 10 Jul 2026 23:27:40 +0700
Subject: [PATCH 2/2] python3Packages.dateutils: modernize

---
 pkgs/development/python-modules/dateutils/default.nix | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/dateutils/default.nix b/pkgs/development/python-modules/dateutils/default.nix
index 0e19d5c46103..193cc01e797b 100644
--- a/pkgs/development/python-modules/dateutils/default.nix
+++ b/pkgs/development/python-modules/dateutils/default.nix
@@ -7,13 +7,16 @@
   pytz,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "dateutils";
   version = "0.6.12";
   pyproject = true;
 
+  __structuredAttrs = true;
+
   src = fetchPypi {
-    inherit pname version;
+    pname = "dateutils";
+    inherit (finalAttrs) version;
     hash = "sha256-A92QvLIVQb1OtLATY35PG1+USIHEbMbktnpgWeNw4/E=";
   };
 
@@ -32,4 +35,4 @@ buildPythonPackage rec {
     license = lib.licenses.bsd0;
     maintainers = [ ];
   };
-}
+})